Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1983-01-28
1984-08-07
Watson, Robert C.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
29261, B23P 1904
Patent
active
044634897
ABSTRACT:
This disclosure relates to a universal joint puller for disassembling a universal joint including its cross, bearing cups and bearings from drive shaft and/or transmission shaft yokes, the puller including a pair of members at least one of which is mounted for sliding movement relative to a pair of rods, the rods having threaded terminal ends for mounting the puller to threaded bores of associated yokes, a screw for forcing the members away from each other during a disassembly operation, a pair of flexible cables adapted to be entrained about the arms of the universal joint cross, and the ends of each of the cables being connected to the movable member such that upon the rotation of the screw in a direction to separate the members from each other, the force generated by the rotation of the screw is transferred to the cables and the arms of the cross to effect the removal of the bearing cup and its associated bearings, the threaded ends of the rod are preferably removably secured to remaining portions of the rods so that other ends of different diameters can be utilized to secure the puller to yoke bores of different center-to-center distances, and the latter is further augmented by providing elongated slots in the first and second members to change the distances therebetween as dictated by the center-to-center distance of the threaded bores of an associated yoke.
REFERENCES:
patent: 1620211 (1927-03-01), Jarabek
patent: 2074649 (1937-03-01), Herkimer
patent: 3846891 (1974-11-01), Elg
patent: 3902236 (1975-09-01), Deem
patent: 3986242 (1976-10-01), Kerr
patent: 4019233 (1977-04-01), Jirele
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